69678680

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{42487}}^1$

素因数の和:42539

約数の個数: 32

約数和(自身を含む): 160604640

約数和(自身を除く): 90925960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 42487, 84974, 169948, 212435, 339896, 424870, 849740, 1699480, 1741967, 3483934, 6967868, 8709835, 13935736, 17419670, 34839340, 69678680]

約数ペア:

[(1, 69678680), (2, 34839340), (4, 17419670), (5, 13935736), (8, 8709835), (10, 6967868), (20, 3483934), (40, 1741967), (41, 1699480), (82, 849740), (164, 424870), (205, 339896), (328, 212435), (410, 169948), (820, 84974), (1640, 42487)]